The aurora and solar activity archive
Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.
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Sunday Sun. |
1C1.7 Kp2- | 2C1.8 Kp1 | 3Kp1- | 4B2.57 Kp2- | 5Kp4 | 6Kp4- | |
7C2.05 Kp4 | 8Kp4- | 9Kp3+ | 10Kp2 | 11Kp2- | 12Kp4 | 13Kp3+ |
14Kp4+ | 15Kp3 | 16Kp3+ | 17Kp4- | 18Kp3+ | 19Kp4- | 20Kp3 |
21Kp2+ | 22Kp1+ | 23Kp2+ | 24Kp2+ | 25Kp4- | 26Kp3 | 27Kp2 |
28Kp2 | 29B1.71 Kp3- | 30A4.29 Kp2- | 31Kp3 | |||
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Latest forum messages
2024/12/23 CME by AR 13932's M8.9 flare. 2AR 13932 46Incoming & Unnumbered Active Regions 1365Space Weather Memes 614Strong far side CME 342
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 114.4 -44.3 |